diff --git a/tests/tests/swfs/avm1/string_methods_swfv5/output.txt b/tests/tests/swfs/avm1/string_methods_swfv5/output.txt
new file mode 100644
index 000000000..5e1f601d1
--- /dev/null
+++ b/tests/tests/swfs/avm1/string_methods_swfv5/output.txt
@@ -0,0 +1,276 @@
+// length
+// "foo".length
+3
+// "".length
+0
+// "undefined".length
+9
+// "hello".length
+5
+
+// charAt
+// s.charAt(0)
+f
+// s.charAt(1)
+o
+// s.charAt(3)
++
+// s.charAt(4)
+f
+// s.charAt(5)
+o
+// s.charAt(-100)
+
+// s.charAt(4294967297)
+o
+
+// concat
+// s.concat(s)
+foofoo
+// s.concat(s, s, s)
+foofoofoofoo
+// s.concat()
+foo
+// s.concat(null, s, undefined, 0, objToString, true)
+foonullfoo0toStringtrue
+
+// fromCharCode
+// String.fromCharCode(80)
+P
+// String.fromCharCode(-65456)
+P
+// String.fromCharCode("BAD")
+
+// String.fromCharCode(NaN)
+
+// String.fromCharCode()
+
+// String.fromCharCode(80, 81, 82)
+PQR
+// String.fromCharCode(80, 0, 82)
+P
+
+// charCodeAt
+// s.charCodeAt(0)
+102
+// s.charCodeAt(3)
+43
+// s.charCodeAt(4)
+102
+// s.charCodeAt(5)
+111
+// s.charCodeAt(6)
+111
+// s.charCodeAt()
+102
+// s.charCodeAt(-1)
+NaN
+// s.charCodeAt(9)
+0
+// s.charCodeAt("1")
+111
+// s.charCodeAt(undefined)
+102
+// s.charCodeAt(NaN)
+102
+
+// indexOf 
+// s.indexOf("a")
+0
+// s.indexOf("a", 16)
+16
+// s.indexOf("a", 14)
+14
+// s.indexOf("a", 13)
+14
+// s.indexOf("a", 0)
+0
+// s.indexOf("test")
+3
+// s.indexOf("test", 4)
+10
+// s.indexOf("test", 100)
+-1
+// s.indexOf("test", -1)
+3
+// s.indexOf("test", 4294967300))
+10
+// s.indexOf("test", null)
+3
+// s.indexOf("test", undefined)
+3
+// s.indexOf("")
+0
+// s.indexOf("", 5)
+5
+// s.indexOf("", 100)
+-1
+// s.indexOf()
+undefined
+// s.indexOf(null)
+17
+
+// s.indexOf(undefined)
+0
+
+// "hello undefined hi".indexOf(undefined)
+0
+
+// lastIndexOf
+// s.lastIndexOf("a")
+16
+// s.lastIndexOf("a", 16)
+16
+// s.lastIndexOf("a", 14)
+14
+// s.lastIndexOf("a", 13)
+2
+// s.lastIndexOf("a", 0)
+0
+// s.lastIndexOf("test")
+10
+// s.lastIndexOf("test", 11)
+10
+// s.lastIndexOf("test", 100)
+10
+// s.lastIndexOf("test", -1)
+-1
+// s.lastIndexOf("test", null)
+-1
+// s.lastIndexOf("test", undefined)
+10
+// s.lastIndexOf("")
+21
+// s.lastIndexOf("", 3)
+3
+// s.lastIndexOf("", 21)
+21
+// s.lastIndexOf("", 0)
+0
+// s.lastIndexOf()
+undefined
+// s.lastIndexOf(null)
+17
+
+// s.lastIndexOf(undefined)
+21
+
+// "hello undefined hi".lastIndexOf(undefined)
+18
+
+// slice
+// s.slice(1, 4)
+ell
+// s.slice(3, 1)
+
+// s.slice(-3, -1)
+23
+// s.slice(-1, -3)
+
+// s.slice()
+undefined
+// s.slice(null, null)
+
+// s.slice(undefined, undefined)
+Hello1234
+
+// substr
+// s.substr(1, 2)
+EL
+// s.substr(1)
+ELLOhello
+// s.substr(-5)
+hello
+// s.substr(6, 3)
+ell
+// s.substr(3, 0)
+
+// s.substr(3, undefined)
+LOhello
+// s.substr(3, null)
+
+// s.substr(null, 4)
+HELL
+// s.substr(4294967296, -4294967294)
+HE
+// s.substr()
+undefined
+// s.substr(undefined, undefined)
+HELLOhello
+// s.substr(null, undefined)
+HELLOhello
+// s.substr(null, null)
+
+
+// substring
+// s.substring(1, 2)
+E
+// s.substring(1)
+ELLO1hello
+// s.substring(-5)
+HELLO1hello
+// s.substring(6, 3)
+LO1
+// s.substring(3, 0)
+HEL
+// s.substring(3, undefined)
+LO1hello
+// s.substring(3, null)
+HEL
+// s.substring(null, 4)
+HELL
+// s.substring(4294967296, -4294967294)
+HE
+// s.substring(
+undefined
+// s.substring(undefined, undefined)
+HELLO1hello
+// s.substring(null, undefined)
+HELLO1hello
+// s.substring(null, null)
+
+
+// split
+// s.split(",")
+6
+A,,b,undefined0,c,
+// s.split(",", 2)
+2
+A,
+// s.split(",", 0)
+0
+
+// s.split(",", -100)
+0
+
+// s.split(",", undefined)
+6
+A,,b,undefined0,c,
+// s.split(",", null)
+0
+
+// s.split("")
+1
+A,,b,undefined0,c,
+// s.split(undefined)
+6
+A,,b,undefined0,c,
+// s.split(undefined, 0)
+0
+
+// s.split()
+6
+A,,b,undefined0,c,
+
+// toLowerCase
+// "teST".toLowerCase()
+test
+// All uppercase chars
+abcdefghijklmnopqrstuvwxyz
+
+// toUpperCase
+// "teST".toUpperCase()
+TEST
+// All lowercase chars
+ABCDEFGHIJKLMNOPQRSTUVWXYZ
+
diff --git a/tests/tests/swfs/avm1/string_methods_swfv5/test.as b/tests/tests/swfs/avm1/string_methods_swfv5/test.as
new file mode 100644
index 000000000..ba659d3ea
--- /dev/null
+++ b/tests/tests/swfs/avm1/string_methods_swfv5/test.as
@@ -0,0 +1,458 @@
+var objToString = {toString: function() { return "toString"; }};
+
+function test() {
+	// length
+	trace("// length");
+	trace('// "foo".length');
+	trace("foo".length);
+
+	trace('// "".length')
+	trace("".length);
+
+	trace('// "undefined".length');
+	trace("undefined".length);
+
+	trace('// "hello".length');
+	trace("hello".length);
+	trace("");
+
+
+	// charAt
+	trace("// charAt");
+
+	var s = "foo+foo";
+
+	trace("// s.charAt(0)");
+	trace(s.charAt(0));
+
+	trace("// s.charAt(1)");
+	trace(s.charAt(1));
+
+	trace("// s.charAt(3)");
+	trace(s.charAt(3));
+
+	trace("// s.charAt(4)");
+	trace(s.charAt(4));
+
+	trace("// s.charAt(5)");
+	trace(s.charAt(5));
+
+	trace("// s.charAt(-100)");
+	trace(s.charAt(-100));
+
+	trace("// s.charAt(4294967297)");
+	trace(s.charAt(4294967297));
+	trace("");
+
+
+
+	// concat
+	trace("// concat");
+	var s = "foo";
+	trace('// s.concat(s)');
+	trace(s.concat(s));
+
+	trace('// s.concat(s, s, s)');
+	trace(s.concat(s, s, s));
+
+	trace('// s.concat()');
+	trace(s.concat());
+
+	trace('// s.concat(null, s, undefined, 0, objToString, true)');
+	trace(s.concat(null, s, undefined, 0, objToString, true));
+	trace("");
+
+
+
+	// fromCharCode
+	trace("// fromCharCode");
+
+	trace('// String.fromCharCode(80)');
+	trace(String.fromCharCode(80));
+
+	trace('// String.fromCharCode(-65456)');
+	trace(String.fromCharCode(-65456));
+
+	trace('// String.fromCharCode("BAD")');
+	trace(String.fromCharCode("BAD"));
+
+	trace('// String.fromCharCode(NaN)');
+	trace(String.fromCharCode(NaN));
+
+	trace('// String.fromCharCode()');
+	trace(String.fromCharCode());
+
+	trace('// String.fromCharCode(80, 81, 82)');
+	trace(String.fromCharCode(80, 81, 82));
+
+	trace('// String.fromCharCode(80, 0, 82)');
+	trace(String.fromCharCode(80, 0, 82));
+	trace("");
+
+	// charCodeAt
+	trace('// charCodeAt');
+	var s = "foo+foo";
+
+	trace('// s.charCodeAt(0)');
+	trace(s.charCodeAt(0));
+
+	trace('// s.charCodeAt(3)');
+	trace(s.charCodeAt(3));
+
+	trace('// s.charCodeAt(4)');
+	trace(s.charCodeAt(4));
+
+	trace('// s.charCodeAt(5)');
+	trace(s.charCodeAt(5));
+
+	trace('// s.charCodeAt(6)');
+	trace(s.charCodeAt(6));
+
+	trace('// s.charCodeAt()');
+	trace(s.charCodeAt());
+
+	trace('// s.charCodeAt(-1)');
+	trace(s.charCodeAt(-1));
+
+	trace('// s.charCodeAt(9)');
+	trace(s.charCodeAt(9));
+
+	trace('// s.charCodeAt("1")');
+	trace(s.charCodeAt("1"));
+
+	trace('// s.charCodeAt(undefined)');
+	trace(s.charCodeAt(undefined));
+
+	trace('// s.charCodeAt(NaN)');
+	trace(s.charCodeAt(NaN));
+
+	trace("");
+
+	// indexOf
+	trace("// indexOf ");
+	var s = "aaatestFOOtestaaanull";
+
+	trace('// s.indexOf("a")');
+	trace(s.indexOf("a"));
+
+	trace('// s.indexOf("a", 16)');
+	trace(s.indexOf("a", 16));
+
+	trace('// s.indexOf("a", 14)');
+	trace(s.indexOf("a", 14));
+
+	trace('// s.indexOf("a", 13)');
+	trace(s.indexOf("a", 13));
+
+	trace('// s.indexOf("a", 0)');
+	trace(s.indexOf("a", 0));
+
+	trace('// s.indexOf("test")');
+	trace(s.indexOf("test"));
+
+	trace('// s.indexOf("test", 4)');
+	trace(s.indexOf("test", 4));
+
+	trace('// s.indexOf("test", 100)');
+	trace(s.indexOf("test", 100));
+
+	trace('// s.indexOf("test", -1)');
+	trace(s.indexOf("test", -1));
+
+	trace('// s.indexOf("test", 4294967300))');
+	trace(s.indexOf("test", 4294967300));
+
+	trace('// s.indexOf("test", null)');
+	trace(s.indexOf("test", null));
+
+	trace('// s.indexOf("test", undefined)');
+	trace(s.indexOf("test", undefined));
+
+	trace('// s.indexOf("")');
+	trace(s.indexOf(""));
+
+	trace('// s.indexOf("", 5)');
+	trace(s.indexOf("", 5));
+
+	trace('// s.indexOf("", 100)');
+	trace(s.indexOf("", 100));
+
+	trace('// s.indexOf()');
+	trace(s.indexOf());
+
+	trace('// s.indexOf(null)');
+	trace(s.indexOf(null));
+	trace("");
+
+	trace('// s.indexOf(undefined)');
+	trace(s.indexOf(undefined));
+	trace("");
+
+	trace('// \"hello undefined hi\".indexOf(undefined)');
+	trace("hello undefined hi".indexOf(undefined));
+	trace("");
+
+
+
+	// lastIndexOf
+	trace("// lastIndexOf");
+	var s = "aaatestFOOtestaaanull";
+
+	trace('// s.lastIndexOf("a")');
+	trace(s.lastIndexOf("a"));
+
+	trace('// s.lastIndexOf("a", 16)');
+	trace(s.lastIndexOf("a", 16));
+
+	trace('// s.lastIndexOf("a", 14)');
+	trace(s.lastIndexOf("a", 14));
+
+	trace('// s.lastIndexOf("a", 13)');
+	trace(s.lastIndexOf("a", 13));
+
+	trace('// s.lastIndexOf("a", 0)');
+	trace(s.lastIndexOf("a", 0));
+
+	trace('// s.lastIndexOf("test")');
+	trace(s.lastIndexOf("test"));
+
+	trace('// s.lastIndexOf("test", 11)');
+	trace(s.lastIndexOf("test", 11));
+
+	trace('// s.lastIndexOf("test", 100)');
+	trace(s.lastIndexOf("test", 100));
+
+	trace('// s.lastIndexOf("test", -1)');
+	trace(s.lastIndexOf("test", -1));
+
+	trace('// s.lastIndexOf("test", null)');
+	trace(s.lastIndexOf("test", null));
+
+	trace('// s.lastIndexOf("test", undefined)');
+	trace(s.lastIndexOf("test", undefined));
+
+	trace('// s.lastIndexOf("")');
+	trace(s.lastIndexOf(""));
+
+	trace('// s.lastIndexOf("", 3)');
+	trace(s.lastIndexOf("", 3));
+
+	trace('// s.lastIndexOf("", 21)');
+	trace(s.lastIndexOf("", 21));
+
+	trace('// s.lastIndexOf("", 0)');
+	trace(s.lastIndexOf("", 0));
+
+	trace('// s.lastIndexOf()');
+	trace(s.lastIndexOf());
+
+	trace('// s.lastIndexOf(null)');
+	trace(s.lastIndexOf(null));
+	trace("");
+
+	trace('// s.lastIndexOf(undefined)');
+	trace(s.lastIndexOf(undefined));
+	trace("");
+
+	trace('// \"hello undefined hi\".lastIndexOf(undefined)');
+	trace("hello undefined hi".lastIndexOf(undefined));
+	trace("");
+
+
+	// slice
+	trace("// slice");
+	var s = "Hello1234";
+
+	trace('// s.slice(1, 4)');
+	trace(s.slice(1, 4));
+
+	trace('// s.slice(3, 1)');
+	trace(s.slice(3, 1));
+
+	trace('// s.slice(-3, -1)');
+	trace(s.slice(-3, -1));
+
+	trace('// s.slice(-1, -3)');
+	trace(s.slice(-1, -3));
+
+	trace('// s.slice()');
+	trace(s.slice());
+
+	trace('// s.slice(null, null)');
+	trace(s.slice(null, null));
+
+	trace('// s.slice(undefined, undefined)');
+	trace(s.slice(undefined, undefined));
+	trace("");
+
+
+
+	// substr
+	trace("// substr");
+	var s = "HELLOhello";
+
+	trace('// s.substr(1, 2)');
+	trace(s.substr(1, 2));
+
+	trace('// s.substr(1)');
+	trace(s.substr(1));
+
+	trace('// s.substr(-5)');
+	trace(s.substr(-5));
+
+	trace('// s.substr(6, 3)');
+	trace(s.substr(6, 3));
+
+	trace('// s.substr(3, 0)');
+	trace(s.substr(3, 0));
+
+	trace('// s.substr(3, undefined)');
+	trace(s.substr(3, undefined));
+
+	trace('// s.substr(3, null)');
+	trace(s.substr(3, null));
+
+	trace('// s.substr(null, 4)');
+	trace(s.substr(null, 4));
+
+	trace('// s.substr(4294967296, -4294967294)');
+	trace(s.substr(4294967296, -4294967294));
+
+	trace('// s.substr()');
+	trace(s.substr());
+
+	trace('// s.substr(undefined, undefined)');
+	trace(s.substr(undefined, undefined));
+
+	trace('// s.substr(null, undefined)');
+	trace(s.substr(null, undefined));
+
+	trace('// s.substr(null, null)');
+	trace(s.substr(null, null));
+	trace("");
+
+	// substring
+	trace("// substring");
+	var s = "HELLO1hello";
+
+	trace('// s.substring(1, 2)');
+	trace(s.substring(1, 2));
+
+	trace('// s.substring(1)');
+	trace(s.substring(1));
+
+	trace('// s.substring(-5)');
+	trace(s.substring(-5));
+
+	trace('// s.substring(6, 3)');
+	trace(s.substring(6, 3));
+
+	trace('// s.substring(3, 0)');
+	trace(s.substring(3, 0));
+
+	trace('// s.substring(3, undefined)');
+	trace(s.substring(3, undefined));
+
+	trace('// s.substring(3, null)');
+	trace(s.substring(3, null));
+
+	trace('// s.substring(null, 4)');
+	trace(s.substring(null, 4));
+
+	trace('// s.substring(4294967296, -4294967294)');
+	trace(s.substring(4294967296, -4294967294));
+
+	trace('// s.substring(');
+	trace(s.substring());
+
+	trace('// s.substring(undefined, undefined)');
+	trace(s.substring(undefined, undefined));
+
+	trace('// s.substring(null, undefined)');
+	trace(s.substring(null, undefined));
+
+	trace('// s.substring(null, null)');
+	trace(s.substring(null, null));
+	trace("");
+
+
+
+	// split
+	trace("// split");
+	var s = "A,,b,undefined0,c,";
+
+	trace('// s.split(",")');
+	var a = s.split(",");
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(",", 2)');
+	var a = s.split(",", 2);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(",", 0)');
+	var a = s.split(",", 0);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(",", -100)');
+	var a = s.split(",", -100);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(",", undefined)');
+	var a = s.split(",", undefined);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(",", null)');
+	var a = s.split(",", null);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split("")');
+	var a = s.split("");
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(undefined)');
+	var a = s.split(undefined);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split(undefined, 0)');
+	var a = s.split(undefined, 0);
+	trace(a.length);
+	trace(a);
+
+	trace('// s.split()');
+	var a = s.split();
+	trace(a.length);
+	trace(a);
+
+	trace("");
+
+
+	// toLowerCase
+	trace("// toLowerCase");
+
+	trace('// "teST".toLowerCase()');
+	trace("teST".toLowerCase());
+	trace('// All uppercase chars');
+	trace("ABCDEFGHIJKLMNOPQRSTUVWXYZ".toLowerCase());
+	trace("");
+
+
+
+	// toUpperCase
+	trace("// toUpperCase");
+	trace('// "teST".toUpperCase()');
+	trace("teST".toUpperCase());
+	trace('// All lowercase chars');
+	var s = "abcdefghijklmnopqrstuvwxyz";
+	trace(s.toUpperCase());
+	trace("");
+}
+
+test();
diff --git a/tests/tests/swfs/avm1/string_methods_swfv5/test.fla b/tests/tests/swfs/avm1/string_methods_swfv5/test.fla
new file mode 100644
index 000000000..556c5fb77
Binary files /dev/null and b/tests/tests/swfs/avm1/string_methods_swfv5/test.fla differ
diff --git a/tests/tests/swfs/avm1/string_methods_swfv5/test.swf b/tests/tests/swfs/avm1/string_methods_swfv5/test.swf
new file mode 100644
index 000000000..08180a409
Binary files /dev/null and b/tests/tests/swfs/avm1/string_methods_swfv5/test.swf differ
diff --git a/tests/tests/swfs/avm1/string_methods_swfv5/test.toml b/tests/tests/swfs/avm1/string_methods_swfv5/test.toml
new file mode 100644
index 000000000..dbee897f5
--- /dev/null
+++ b/tests/tests/swfs/avm1/string_methods_swfv5/test.toml
@@ -0,0 +1 @@
+num_frames = 1